Weighted 50's (Firefighter Challenge Style) Workout

For Time:

Run 400 meters (0.25 miles)
-50 Pull Ups
-50 Push Ups
Run 400 meters (0.25 miles)
-50 Sit Ups
-50 Squats
Run 400 meters (0.25 miles)

Wear 20# vest for all exercises except runs.

Wore SCBA (roughly 20#) for all events but runs, flipped it on chest for sit ups. Wore mask for first half of WOD, couldn't breathe so I had to take it off for the latter portion. INSANE improvement though. 20 minutes later and I'm still dizzy!